$ git clone -n https://src.fedoraproject.org/rpms/golang-github-xaionaro-unsafetools.git /var/lib/mock/f45-build-12591-442/root/chroot_tmpdir/scmroot/golang-github-xaionaro-unsafetools
Cloning into '/var/lib/mock/f45-build-12591-442/root/chroot_tmpdir/scmroot/golang-github-xaionaro-unsafetools'...
$ git fetch origin e3876bac70da040954d6a519d862cc41d51e3b8b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-xaionaro-unsafetools
 * [new ref]         e3876bac70da040954d6a519d862cc41d51e3b8b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e3876ba Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild